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[Bug] Null safe bug fix #21

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Merged
merged 3 commits into from
May 28, 2020
Merged

[Bug] Null safe bug fix #21

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6b6d06b
Null safe bug fix
May 28, 2020
a973f34
Nicole's comment
May 28, 2020
c57e29c
Nicole's comment
May 28, 2020
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4 changes: 3 additions & 1 deletion mediacontroller/src/main/java/com/example/android/mediacontroller/MediaAppTestingActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.widget.Toolbar
import androidx.cardview.widget.CardView
import androidx.core.content.ContextCompat
import androidx.core.content.ContextCompat.getSystemService
import androidx.core.content.res.ResourcesCompat
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
Expand Down Expand Up @@ -1263,7 +1264,8 @@ class MediaAppTestingActivity : AppCompatActivity() {
// Gets the current screen height in pixels
fun getScreenHeightPx(context: Context): Int {
val displayMetrics = DisplayMetrics()
val windowManager = ContextCompat.getSystemService(context, WindowManager::class.java)
val windowManager = getSystemService(context, WindowManager::class.java)
?: throw IllegalStateException("Could not get WindowManager")
val display = windowManager.defaultDisplay
display.getMetrics(displayMetrics)
return displayMetrics.heightPixels
Expand Down